Home / 1,713.11-2,364.68-1,005.19

Finding the Fourth Proportional to 1,713.11, 2,364.68 and 1,005.19

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Solution

The fourth proportional to 1,713.11, 2,364.68 and 1,005.19 is: 1,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.11 : 2,364.68 = 1,005.19 : x
  2. Step 2: Convert to fraction form
    1,713.11/2,364.68 = 1,005.19/x
  3. Step 3: Cross multiply
    1,713.11x = 2,364.68 × 1,005.19
  4. Step 4: Simplify right side
    1,713.11x = 2,376,949.29
  5. Step 5: Solve for x
    x = 2,376,949.29/1,713.11
  6. Step 6: Final answer
    x = 1,387.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.